Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0PDX callsign genealogy
Currently held by WINDORSKI, DAVID C
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N0PDX's current licensee, walking backwards.
- Nordgren, MatsWAgranted 2021-04-05cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held N0PDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0PDX, oldest first.
- WINDORSKI, DAVID C MN2001-05-23 → cancelled 2013-08-21
- Nordgren, Mats B WA2021-04-23 active